Finding the Fourth Proportional to 628,437.66, 867,092.81 and 370,325.18
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Solution
The fourth proportional to 628,437.66, 867,092.81 and 370,325.18 is: 510,959.66
Step by Step Solution
- Step 1: Write the proportion equation
628,437.66 : 867,092.81 = 370,325.18 : x - Step 2: Convert to fraction form
628,437.66/867,092.81 = 370,325.18/x - Step 3: Cross multiply
628,437.66x = 867,092.81 × 370,325.18 - Step 4: Simplify right side
628,437.66x = 321,106,294,752.87 - Step 5: Solve for x
x = 321,106,294,752.87/628,437.66 - Step 6: Final answer
x = 510,959.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.